Stephen C. Kwan
19Patents
9h-index
23Co-inventors
72Inventor score
Filing activity: Jan 26, 1977 → Aug 19, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6137140A | Integrated SCR-LDMOS power device | Electricity | 104 | Expired |
| US5463347A | MOS uni-directional, differential voltage amplifier capable of amplifying signals having input common-mode voltage beneath voltage of lower supply and integrated circuit substrate | Electricity | 53 | Expired |
| US4405918A | Current sensing of capacitive keyboard arrays | Electricity | 33 | Expired |
| US5736766A | Medium voltage LDMOS device and method of fabrication | Electricity | 29 | Expired |
| US4772325A | Fluorine-containing dental materials | Human Necessities | 25 | Expired |
| US5633651A | Automatic bidirectional indicator driver | Electricity | 15 | Expired |
| US4990864A | Current amplifier circuit | Electricity | 15 | Expired |
| US5812006A | Optimized power output clamping structure | Electricity | 15 | Expired |
| US5111071A | Threshold detection circuit | Physics | 12 | Expired |
| US4411932A | Method for the prevention of soilant deposits on contact lenses | Chemistry; Metallurgy | 9 | Expired |
| US4249123A | Temperature compensated reference voltage regulator | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4507577A | Nth Order function converter | Physics | 5 | Expired |
| US4924341A | Transient protector | Electricity | 5 | Expired |
| US5576615A | Method and circuit for detecting faulty recirculation diode in a switched mode power supply | Electricity | 4 | Expired |
| US5777502A | Method to protect gate-source elements of external power fETS from large pre-drive capacity | Electricity | 4 | Expired |
| US4363540A | Exposure information storage device for a photographic camera | Physics | 3 | Expired |
| US4371243A | Photographic mode selector system | Physics | 3 | Expired |
| US9807042B2 | Enhanced real-time messaging | Electricity | 1 | Active |
| US9462532B2 | Enhanced real-time messaging | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.